FR2728420B1 - METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION - Google Patents

METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION

Info

Publication number
FR2728420B1
FR2728420B1 FR9415170A FR9415170A FR2728420B1 FR 2728420 B1 FR2728420 B1 FR 2728420B1 FR 9415170 A FR9415170 A FR 9415170A FR 9415170 A FR9415170 A FR 9415170A FR 2728420 B1 FR2728420 B1 FR 2728420B1
Authority
FR
France
Prior art keywords
uniformities
images
implementation
detection
correction circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9415170A
Other languages
French (fr)
Other versions
FR2728420A1 (en
Inventor
Bernard Soucail
Marcel Francis Audier
Andre Ayoun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thomson CSF SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR9415170A priority Critical patent/FR2728420B1/en
Priority to EP95402792A priority patent/EP0717560A1/en
Publication of FR2728420A1 publication Critical patent/FR2728420A1/en
Application granted granted Critical
Publication of FR2728420B1 publication Critical patent/FR2728420B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/60—Noise processing, e.g. detecting, correcting, reducing or removing noise
    • H04N25/67—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response
    • H04N25/671—Noise processing, e.g. detecting, correcting, reducing or removing noise applied to fixed-pattern noise, e.g. non-uniformity of response for non-uniformity detection or correction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR9415170A 1994-12-16 1994-12-16 METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION Expired - Fee Related FR2728420B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9415170A FR2728420B1 (en) 1994-12-16 1994-12-16 METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION
EP95402792A EP0717560A1 (en) 1994-12-16 1995-12-12 Electronic compensation method of non-uniformities in image detection, in particular infrared, and correction circuit therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9415170A FR2728420B1 (en) 1994-12-16 1994-12-16 METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION

Publications (2)

Publication Number Publication Date
FR2728420A1 FR2728420A1 (en) 1996-06-21
FR2728420B1 true FR2728420B1 (en) 1997-01-24

Family

ID=9469870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9415170A Expired - Fee Related FR2728420B1 (en) 1994-12-16 1994-12-16 METHOD OF ELECTRONIC COMPENSATION OF NON-UNIFORMITIES IN THE DETECTION OF IMAGES, IN PARTICULAR INFRARED, AND CORRECTION CIRCUIT FOR ITS IMPLEMENTATION

Country Status (2)

Country Link
EP (1) EP0717560A1 (en)
FR (1) FR2728420B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5703353A (en) * 1996-01-25 1997-12-30 Hewlett-Packard Company Offset removal and spatial frequency band filtering circuitry for photoreceiver signals
US5739531A (en) * 1997-02-07 1998-04-14 He Holdings, Inc. Sprite thermal imaging system
GB9825086D0 (en) 1998-11-17 1999-01-13 Vision Group Plc Defect correction in electronic imaging systems
ES2190308B1 (en) * 2000-08-09 2004-09-16 Universidad Carlos Iii De Madrid (O.T.R.I.) DIFFERENTIAL AUTONOMOUS DETECTION SYSTEM.
GB0625936D0 (en) 2006-12-28 2007-02-07 Thermoteknix Systems Ltd Correction of non-uniformity of response in sensor arrays
EP2899965A1 (en) * 2014-01-28 2015-07-29 MBDA UK Limited Improved imaging method and apparatus
CA2936895C (en) * 2014-01-28 2022-01-25 Mbda Uk Limited Improved imaging method and apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4214271A (en) * 1979-02-16 1980-07-22 The United States Of America As Represented By The Secretary Of The Army Technique for DC restoration in AC coupled display systems
FR2652471B1 (en) * 1989-09-22 1991-11-29 Thomson Csf DEVICE FOR CORRECTING DEFECTS IN A SUITE OF IMAGES ANALYZED BY AN INTEGRATED MATRIX INFRARED SENSOR.
FR2686471B1 (en) * 1992-01-17 1994-03-04 Thomson Tubes Electroniques PROCESS FOR THE DEVELOPMENT OF A MATRIX IMAGE WITH FILTERING OF AVERAGE VALUES OF PIXEL LINES.

Also Published As

Publication number Publication date
FR2728420A1 (en) 1996-06-21
EP0717560A1 (en) 1996-06-19

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